let bottomContent = document.querySelector('.bottom-content')
let bottomsContent = echarts.init(bottomContent)
let bottomsCon = {
    tooltip: {
        trigger: 'axis',
        axisPointer: {
            type: 'cross',
            crossStyle: {
                color: '#999'
            }
        }
    },
    grid: {
        right: '15%',
        bottom: '15%',
        left: '15%',
        top: '25%'
    },
    legend: {
        data: ['2017年', '2018年', '同比增速']
    },
    xAxis: [
        {
            type: 'category',
            axisTick: {
                alignWithLabel: true
            },
            data: ['1', '2', '3', '4', '5', '6', '7', '8', '9', '10', '11', '12']
        }
    ],
    yAxis: [
        {
            type: 'value',
            // name: 'Precipitation',
            min: 0,
            max: 250,
            interval: 50,
            axisLabel: {
                formatter: '{value} ml'
            }
        },
        {
            type: 'value',
            // name: 'Temperature',
            min: 0,
            max: 25,
            interval: 5,
            axisLabel: {
                formatter: '{value} °C'
            }
        }
    ],
    series: [
        {
            name: '2017年',
            type: 'bar',
            yAxisIndex: 0,
            data: [
                2.0, 4.9, 7.0, 23.2, 25.6, 76.7, 135.6, 162.2, 32.6, 20.0, 6.4, 3.3
            ]
        },
        {
              name: '2018年',
            type: 'bar',
            yAxisIndex: 0,
            data: [
                2.6, 5.9, 9.0, 26.4, 28.7, 70.7, 175.6, 182.2, 48.7, 18.8, 6.0, 2.3
            ]
        },
        {
            name: '同比增速',
            type: 'line',
            yAxisIndex: 1,
            data: [2.0, 2.2, 3.3, 4.5, 6.3, 10.2, 20.3, 23.4, 23.0, 16.5, 12.0, 6.2]
        }
    ]
};
bottomsContent.setOption(bottomsCon)